Home / 26,418.08-36,404.48-18,851.20

Finding the Fourth Proportional to 26,418.08, 36,404.48 and 18,851.20

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Solution

The fourth proportional to 26,418.08, 36,404.48 and 18,851.20 is: 25,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.08 : 36,404.48 = 18,851.20 : x
  2. Step 2: Convert to fraction form
    26,418.08/36,404.48 = 18,851.20/x
  3. Step 3: Cross multiply
    26,418.08x = 36,404.48 × 18,851.20
  4. Step 4: Simplify right side
    26,418.08x = 686,268,133.38
  5. Step 5: Solve for x
    x = 686,268,133.38/26,418.08
  6. Step 6: Final answer
    x = 25,977.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.